package com.izako.HunterX.world;

import java.util.ArrayList;
import java.util.Random;

import com.izako.HunterX.world.gen.generators.WorldGenStructure;
import com.izako.HunterX.worlddata.StructureSpawning;

import net.minecraft.block.Block;
import net.minecraft.client.Minecraft;
import net.minecraft.init.Blocks;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.text.TextComponentString;
import net.minecraft.world.World;
import net.minecraft.world.WorldType;
import net.minecraft.world.biome.Biome;
import net.minecraft.world.biome.BiomeForest;
import net.minecraft.world.biome.BiomePlains;
import net.minecraft.world.chunk.IChunkProvider;
import net.minecraft.world.gen.IChunkGenerator;
import net.minecraft.world.gen.feature.WorldGenerator;
import net.minecraftforge.fml.common.IWorldGenerator;
import scala.actors.threadpool.Arrays;

public class WorldGenCustomStructures implements IWorldGenerator {

    NBTTagCompound nbt = new NBTTagCompound();


    public static final WorldGenStructure BLIMP = new WorldGenStructure("blimp");

    @Override
    public void generate(Random random, int chunkX, int chunkZ, World world, IChunkGenerator chunkGenerator,IChunkProvider chunkProvider) {
        if(!world.isRemote) {
        StructureSpawning data = StructureSpawning.get(world);
        switch(world.provider.getDimension()) {
        case 1:

        break;

        case 0:
        if(data.getBlimpCount() < 1) {
            generateStructure(BLIMP, world, random, chunkX, chunkZ, 10, Blocks.GRASS , BiomePlains.class);
            generateStructure(BLIMP, world, random, chunkX, chunkZ, 10, Blocks.GRASS , BiomeForest.class);
        }
        break;

        case -1:

        }
        }

    }
    private void generateStructure(WorldGenerator generator, World world, Random random, int chunkX, int chunkZ, int chance, Block topBlock,  Class<?>... classes) {


        ArrayList<Class<?>> classesList = new ArrayList<Class<?>>(Arrays.asList(classes));

        if(!world.isRemote) {

        StructureSpawning data = StructureSpawning.get(world);




        int x = (chunkX * 16) + random.nextInt(15);
        int z = (chunkZ * 16) + random.nextInt(15);
        int y = calculateGenerationHeight(world, x, z, topBlock);
        BlockPos pos = new BlockPos(x,y,z);

        Class<?> biome = world.provider.getBiomeForCoords(pos).getClass();

        if(world.getWorldType() != WorldType.FLAT) {

            if(classesList.contains(biome)) {
                if (random.nextInt(chance) == 0) {
                    generator.generate(world, random, pos);
                     data.setPos(pos.getX(), pos.getY(), pos.getZ());


                    data.setBlimpCount(data.getBlimpCount() + 1);


                }


                }
            }

        }

    }

    private static int calculateGenerationHeight(World world, int x, int z, Block topBlock) {
        int y = world.getHeight();
        boolean foundground = false;

        while(!foundground && y-- >= 0) {
            Block block = world.getBlockState(new BlockPos(x,y,z)).getBlock();
            foundground = block == topBlock;
        }

    return y;
    }

}